Director
Oh Jong-rok
3 credited titles on WatchWise
Commercial performance
Not enough verified figures yet — only 1 of 3 catalogued titles have publicly reported budget and worldwide gross. Many films (television, independent and regional cinema) never publish these numbers; where they exist, WatchWise fills them in automatically from TMDB and Wikipedia.
Directed (3)
Titles are ones WatchWise has catalogued so far — not necessarily a complete filmography.